import axios from 'axios'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 6000000
})
// request拦截器，用于加token
service.interceptors.request.use(config => {
  let token = localStorage.getItem('token');
  if (token) {
    config.headers.common['Authorization'] = token;
  }
  return config
}, error => {
  console.log(error)
  Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
  // 未设置状态码则默认成功状态
  const code = res.data.code || 200;
  const status = res.status;
  // 获取错误信息
  const msg = res.data.msg || res.error || res.data.res;
  //获取错误提示
  const ress = res.data.res;
  if (code === 401) {
    // 登录状态已过期，您可以继续留在该页面，或者重新登录
  } else if (code === 500 || status === 500) {
    this.$Message.error(ress);
    return Promise.reject(new Error(msg))
  } else if (code !== 200) {
    if (ress) {
      this.$Message.warning(ress);
    } else {
      this.$Message.warning(msg);
    }
    return Promise.reject('error')
  } else {
    return res.data
  }
},
  error => {
    console.log('err' + error)
    let { message } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    }
    else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    }
    else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    this.$Message.error(message);
    return Promise.reject(error)
  }
)

export default service

